[INFO] cloning repository https://github.com/oofsauce/rust-video [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/oofsauce/rust-video" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foofsauce%2Frust-video", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foofsauce%2Frust-video'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2e6fe93fe790a79ee8eca9f5665b6874db07f429 [INFO] testing oofsauce/rust-video against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foofsauce%2Frust-video" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/oofsauce/rust-video [INFO] finished tweaking git repo https://github.com/oofsauce/rust-video [INFO] tweaked toml for git repo https://github.com/oofsauce/rust-video written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/oofsauce/rust-video on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/oofsauce/rust-video already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded coz v0.1.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 33cf3b133dab751368ca44539cb16391b45786783cdfe10c6b02327878297e14 [INFO] running `Command { std: "docker" "start" "-a" "33cf3b133dab751368ca44539cb16391b45786783cdfe10c6b02327878297e14", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "33cf3b133dab751368ca44539cb16391b45786783cdfe10c6b02327878297e14", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "33cf3b133dab751368ca44539cb16391b45786783cdfe10c6b02327878297e14", kill_on_drop: false }` [INFO] [stdout] 33cf3b133dab751368ca44539cb16391b45786783cdfe10c6b02327878297e14 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 3e9e3143bec9c26440052ee57cd6fe5c5b83cbce10c56f9e054e3ba085f1bf4b [INFO] running `Command { std: "docker" "start" "-a" "3e9e3143bec9c26440052ee57cd6fe5c5b83cbce10c56f9e054e3ba085f1bf4b", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.112 [INFO] [stderr] Compiling getrandom v0.2.3 [INFO] [stderr] Compiling coz v0.1.3 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.4 [INFO] [stderr] Compiling rust-video v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `render::Renderable` [INFO] [stdout] --> src/framebuffer.rs:1:34 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::{color::{Color, RGB}, render::Renderable}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `FrameBuffer` [INFO] [stdout] --> src/render/mod.rs:2:26 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::framebuffer::{FrameBuffer, PPM}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `FrameBuffer` [INFO] [stdout] --> src/render/fill.rs:2:26 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::framebuffer::{FrameBuffer, PPM}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::Renderable` [INFO] [stdout] --> src/render/fill.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::Renderable; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `FrameBuffer` [INFO] [stdout] --> src/render/dot.rs:2:26 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::framebuffer::{FrameBuffer, PPM}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::Renderable` [INFO] [stdout] --> src/render/dot.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::Renderable; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `RGB` [INFO] [stdout] --> src/render/line.rs:1:27 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::color::{Color, RGB}; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `FrameBuffer` [INFO] [stdout] --> src/render/line.rs:2:26 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::framebuffer::{FrameBuffer, PPM}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::Renderable` [INFO] [stdout] --> src/render/line.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::Renderable; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rand::prelude` [INFO] [stdout] --> src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use rand::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rng` [INFO] [stdout] --> src/main.rs:15:13 [INFO] [stdout] | [INFO] [stdout] 15 | let mut rng = rand::thread_rng(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_rng` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | let mut rng = rand::thread_rng(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.18s [INFO] running `Command { std: "docker" "inspect" "3e9e3143bec9c26440052ee57cd6fe5c5b83cbce10c56f9e054e3ba085f1bf4b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3e9e3143bec9c26440052ee57cd6fe5c5b83cbce10c56f9e054e3ba085f1bf4b", kill_on_drop: false }` [INFO] [stdout] 3e9e3143bec9c26440052ee57cd6fe5c5b83cbce10c56f9e054e3ba085f1bf4b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 959e02240293449ce80879f1a221fdea3655b048163cf55ef4d9058313b96a1f [INFO] running `Command { std: "docker" "start" "-a" "959e02240293449ce80879f1a221fdea3655b048163cf55ef4d9058313b96a1f", kill_on_drop: false }` [INFO] [stderr] Compiling rust-video v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `render::Renderable` [INFO] [stdout] --> src/framebuffer.rs:1:34 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::{color::{Color, RGB}, render::Renderable}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `FrameBuffer` [INFO] [stdout] --> src/render/mod.rs:2:26 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::framebuffer::{FrameBuffer, PPM}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `FrameBuffer` [INFO] [stdout] --> src/render/fill.rs:2:26 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::framebuffer::{FrameBuffer, PPM}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::Renderable` [INFO] [stdout] --> src/render/fill.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::Renderable; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `FrameBuffer` [INFO] [stdout] --> src/render/dot.rs:2:26 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::framebuffer::{FrameBuffer, PPM}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::Renderable` [INFO] [stdout] --> src/render/dot.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::Renderable; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `RGB` [INFO] [stdout] --> src/render/line.rs:1:27 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::color::{Color, RGB}; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `FrameBuffer` [INFO] [stdout] --> src/render/line.rs:2:26 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::framebuffer::{FrameBuffer, PPM}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::Renderable` [INFO] [stdout] --> src/render/line.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::Renderable; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rand::prelude` [INFO] [stdout] --> src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use rand::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rng` [INFO] [stdout] --> src/main.rs:15:13 [INFO] [stdout] | [INFO] [stdout] 15 | let mut rng = rand::thread_rng(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_rng` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | let mut rng = rand::thread_rng(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.47s [INFO] running `Command { std: "docker" "inspect" "959e02240293449ce80879f1a221fdea3655b048163cf55ef4d9058313b96a1f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "959e02240293449ce80879f1a221fdea3655b048163cf55ef4d9058313b96a1f", kill_on_drop: false }` [INFO] [stdout] 959e02240293449ce80879f1a221fdea3655b048163cf55ef4d9058313b96a1f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 6609e56d755ac5a408df6a93111b5fb77fe3d985152d43ef5ed0b8dda203a5f1 [INFO] running `Command { std: "docker" "start" "-a" "6609e56d755ac5a408df6a93111b5fb77fe3d985152d43ef5ed0b8dda203a5f1", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `render::Renderable` [INFO] [stderr] --> src/framebuffer.rs:1:34 [INFO] [stderr] | [INFO] [stderr] 1 | use crate::{color::{Color, RGB}, render::Renderable}; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `FrameBuffer` [INFO] [stderr] --> src/render/mod.rs:2:26 [INFO] [stderr] | [INFO] [stderr] 2 | use crate::framebuffer::{FrameBuffer, PPM}; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `FrameBuffer` [INFO] [stderr] --> src/render/fill.rs:2:26 [INFO] [stderr] | [INFO] [stderr] 2 | use crate::framebuffer::{FrameBuffer, PPM}; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `crate::Renderable` [INFO] [stderr] --> src/render/fill.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use crate::Renderable; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `FrameBuffer` [INFO] [stderr] --> src/render/dot.rs:2:26 [INFO] [stderr] | [INFO] [stderr] 2 | use crate::framebuffer::{FrameBuffer, PPM}; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `crate::Renderable` [INFO] [stderr] --> src/render/dot.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use crate::Renderable; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `RGB` [INFO] [stderr] --> src/render/line.rs:1:27 [INFO] [stderr] | [INFO] [stderr] 1 | use crate::color::{Color, RGB}; [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `FrameBuffer` [INFO] [stderr] --> src/render/line.rs:2:26 [INFO] [stderr] | [INFO] [stderr] 2 | use crate::framebuffer::{FrameBuffer, PPM}; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `crate::Renderable` [INFO] [stderr] --> src/render/line.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use crate::Renderable; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `rand::prelude` [INFO] [stderr] --> src/main.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use rand::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `rng` [INFO] [stderr] --> src/main.rs:15:13 [INFO] [stderr] | [INFO] [stderr] 15 | let mut rng = rand::thread_rng(); [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_rng` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:15:9 [INFO] [stderr] | [INFO] [stderr] 15 | let mut rng = rand::thread_rng(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `rust-video` (bin "rust-video" test) generated 12 warnings (run `cargo fix --bin "rust-video" --tests` to apply 10 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/rust_video-42cabc710d3ac92c) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "6609e56d755ac5a408df6a93111b5fb77fe3d985152d43ef5ed0b8dda203a5f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6609e56d755ac5a408df6a93111b5fb77fe3d985152d43ef5ed0b8dda203a5f1", kill_on_drop: false }` [INFO] [stdout] 6609e56d755ac5a408df6a93111b5fb77fe3d985152d43ef5ed0b8dda203a5f1